Carey clips Rana off his pads to fine leg for a single and Starc chips the pacer over mid-on for two runs before he plays out the rest of the over.
Bumrah from the other end to bowl what could the final over of the day.
Carey inside edges the first ball to fine leg for a single before Starc drives the full delivery uppishly past mid-off for a four.
An angry Bumrah responds with a bouncer as Starc sways out of the way.
Despite being bowled for 27 overs, the thick lush outfield at Perth has ensured that the ball stills sports a shiny new look.
Bumrah nearly foxes Starc with the change of pace off the last ball. Starc looking to defend ends up chipping the slower ball but touch short of Bumrah who was running in.
Australia are struggling on 67/7 in 27 overs at stumps on Day 1, trailing India by 83 runs.
Carey has stroked 19 from 28 balls, while Starc has made six.
Captain Bumrah led India's superb comeback with the ball, claiming excellent figures of 4/17 in 10 overs. Mohammed Siraj played the supporting role to perfection as he took 2/17, while Rana claimed 1/33.
Earlier, pacer Josh Hazlewood claimed 4/29 from 13 overs to bundle out India for 150 in their first innings.